.content {
    padding: 45px 0 50px 0;
}

.home_top {
    background: url(../images/hd.jpg) no-repeat;
    left: 0;
    top: 0;
    height: 45px;
    width: 100%;
    background-size: 100% 45px;
    z-index: 10;
    position: fixed;
}

.home_top .logo_cont {
    position: absolute;
    width: 150px;
    height: 30px;
    top: 8px;
    left: 17px;
}

.home_top .logo_img {
    width: 30px;
    height: 30px;
    float: left;
}

.wrap .home_top .logo_img img {
    width: 100%;
    height: 100%;
}

.logo_title {
    margin-left: 10px;
    float: left;
}

.logo_title h1 {
    font-size: 12px;
    line-height: 17px;
    color: #ffffff;
    font-weight: 500;
}

.logo_title p {
    font-size: 11px;
    color: #7e859e;
}

.download {
    position: absolute;
    width: 87px;
    height: 30px;
    top: 8px;
    right: 16px;
}

.download a {
    display: block;
    width: 100%;
    height: 100%;
    background: url(../images/down.png) no-repeat;
    background-size: 87px 30px;
}

.home_bottom {
    background: url(../images/navnew11.png) no-repeat;
    left: 0;
    height: 45px;
    width: 100%;
    bottom: 0;
    background-size: 100% 45px;
    z-index: 10;
    position: fixed;
    font-size: 0;
}

.home_bottom ul li {
    width: 25%;
    height: 45px;
    float: left;
}

.currentL {
    background: url(../images/navnew2.png) no-repeat 50% 0;
    background-size: 400% auto;
}

.home_bottom a {
    width: 100%;
    text-indent: -9999px;
    overflow: hidden;
    height: 100%;
    display: inline-block;
}

.home_bottom ul li:nth-child(1).currentL {
    background-position: 0 50%;
}

.home_bottom ul li:nth-child(2).currentL {
    background-position: 33.5% 49%;
}

.home_bottom ul li:nth-child(3).currentL {
    background-position: 67% 49%;
}

.home_bottom ul li:nth-child(4).currentL {
    background-position: 100% 49%;
}